New Delhi, September 19 (ANI): Trading at the Bombay Stock Exchange today closed 663.39 points up to stand at 20625.55. At the National Stock Exchange the Nifty closed 208.40 points up to stand at 6107.85. YES Bank Ltd. and Indian Bank were among the top gainers of Group A with an increase of 23.24% and 12.82% along with Reliance Communications Ltd. and Union Bank with an increase of 12.04% and 11.21% respectively, while the top losers of Group A include Gitanjali Gems and Wipro with a decrease of 4.68% and 2.14% along with Mphasis and Shriram City University with a decrease of 2.02% and 1.98% at the close of the markets. The Auto sector is up 310.69 points at 11,377.94 while the banking sector is up 809.27 points at 12,701.31 and the realty sector is up 69.53 points at 1,376.72. The Indian currency is up 2.38% at Rs 61.87 per dollar.